Script updates for CI job

Script updates for CI job

Due to the redesign of the SFC feature test, the poc script became
part of CI job functest-fuel-baremetal, scenario os_odl_l2-sfc-ha,
there is a need of full uplift to colorado.
Changes:
 - GPG keyserver use (line 61)
 - patch updated fixing the debian package dependency issue
    (python-oslo.messaging-)
 - some typos are fixed
 - OpenDayLight address is read from hiera (management vip)

Change-Id: I4a19ec753a575220cf321819ab4ff2d9433ec16c
Signed-off-by: ferenc Cserepkei <ferenc.cserepkei@ericsson.com>